PHRAS-3930 matomo media tracking #407

Job	Run time
build phraseanet-fpm / build	4m 3s
build phraseanet-setup / build	3m 49s
build phraseanet-nginx / build	3m 11s
build phraseanet-db / build	22s
build phraseanet-elasticsearch / build	34s
build phraseanet-worker / build	4m 20s
unit test	11m 26s
	27m 45s

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